Gregorian -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 -300 -200 -100 0 100 200 300 400 500 600 700 800 900 1000 1050 1060 1070 1080 1090 1100 1110 1120 1130 1140 1150 1160 1170 1180 1190 1200 1210 1220 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1280 1290 1300 1310 1320 1330 1340 1350 1360 1370 1400 1500 1600 1700 1800 1900 2000 2025 3000 January February March April May June July August September October November December -- 1 [Sunday(6)] 2 [Monday(0)] 3 [Tuesday(1)] 4 [Wednesday(2)] 5 [Thursday(3)] 6 [Friday(4)] 7 [Saturday(5)] 8 [Sunday(6)] 9 [Monday(0)] 10 [Tuesday(1)] 11 [Wednesday(2)] 12 [Thursday(3)] 13 [Friday(4)] 14 [Saturday(5)] 15 [Sunday(6)] 16 [Monday(0)] 17 [Tuesday(1)] 18 [Wednesday(2)] 19 [Thursday(3)] 20 [Friday(4)] 21 [Saturday(5)] 22 [Sunday(6)] 23 [Monday(0)] 24 [Tuesday(1)] 25 [Wednesday(2)] 26 [Thursday(3)] 27 [Friday(4)] 28 [Saturday(5)] 29 [Sunday(6)] 30 [Monday(0)] -- starts at 1252-09-01